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JP6988559B2 - Joining device - Google Patents

Joining device Download PDF

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Publication number
JP6988559B2
JP6988559B2 JP2018030766A JP2018030766A JP6988559B2 JP 6988559 B2 JP6988559 B2 JP 6988559B2 JP 2018030766 A JP2018030766 A JP 2018030766A JP 2018030766 A JP2018030766 A JP 2018030766A JP 6988559 B2 JP6988559 B2 JP 6988559B2
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Japan
Prior art keywords
axial direction
metal member
thermoplastic resin
sleeve
resin member
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JP2018030766A
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JP2019142185A (en
Inventor
吉宏 岩野
康介 櫻井
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Toyota Motor Corp
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Toyota Motor Corp
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Priority to JP2018030766A priority Critical patent/JP6988559B2/en
Priority to US16/249,204 priority patent/US10766204B2/en
Priority to CN201910052647.1A priority patent/CN110181818B/en
Publication of JP2019142185A publication Critical patent/JP2019142185A/en
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Publication of JP6988559B2 publication Critical patent/JP6988559B2/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/44—Joining a heated non plastics element to a plastics element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/567—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using a tamping or a swaging operation, i.e. at least partially deforming the edge or the rim of a first part to be joined to clamp a second part to be joined
    • B29C65/568—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using a tamping or a swaging operation, i.e. at least partially deforming the edge or the rim of a first part to be joined to clamp a second part to be joined using a swaging operation, i.e. totally deforming the edge or the rim of a first part to be joined to clamp a second part to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/06—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/06—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
    • B29C65/0609—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding characterised by the movement of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/64—Joining a non-plastics element to a plastics element, e.g. by force
    • B29C65/645—Joining a non-plastics element to a plastics element, e.g. by force using friction or ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
    • B29C66/326—Shaping the burr, e.g. by the joining tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
    • B29C66/474—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/06—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
    • B29C65/0672—Spin welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/06—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
    • B29C65/069—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding the welding tool cooperating with specially formed features of at least one of the parts to be joined, e.g. cooperating with holes or ribs of at least one of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2001/00—Articles provided with screw threads
    • B29L2001/002—Bolts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Insertion Pins And Rivets (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Description

本発明は、接合装置に関する。 The present invention relates to a joining device.

下記特許文献１には、プラスチック部材（熱可塑性樹脂部材）と金属部材の接合方法に関する発明が開示されている。このプラスチック部材と金属部材の接合方法では、プラスチック部材に対して金属部材のフランジ部を押し当てた状態で、この金属部材に電流を流し、金属部材に発生するジュール熱によってプラスチック部材を溶融させている。このため、金属部材のフランジ部がプラスチック部材に埋め込まれ、プラスチック部材と金属部材とを強固に接合させることができる。 The following Patent Document 1 discloses an invention relating to a method for joining a plastic member (thermoplastic resin member) and a metal member. In this method of joining a plastic member and a metal member, a current is passed through the metal member while the flange portion of the metal member is pressed against the plastic member, and the Joule heat generated in the metal member melts the plastic member. There is. Therefore, the flange portion of the metal member is embedded in the plastic member, and the plastic member and the metal member can be firmly joined.

特開平７−８０９４４号公報Japanese Unexamined Patent Publication No. 7-80944

しかしながら、上記先行技術では、プラスチック部材を溶融させて金属部材と接合させるため、プラスチック部材の金属部材との接合部において、金属部材のフランジ部の周辺部に不規則な形状の凹凸部が発生することが考えられる。 However, in the above-mentioned prior art, since the plastic member is melted and joined to the metal member, irregularly shaped uneven portions are generated around the flange portion of the metal member at the joint portion of the plastic member with the metal member. Is possible.

本発明は上記事実を考慮し、金属部材と熱可塑性樹脂部材とを強固に接合しつつ、熱可塑性樹脂部材の金属部材との接合部において、金属部材の周辺部に不規則な形状の凹凸部が発生することを抑制することができる接合装置を得ることが目的である。 In consideration of the above facts, the present invention firmly joins the metal member and the thermoplastic resin member, and at the joint portion of the thermoplastic resin member with the metal member, an irregularly shaped uneven portion around the metal member. The purpose is to obtain a joining device capable of suppressing the occurrence of.

請求項１に記載の本発明に係る接合装置は、金属部材の軸部を保持可能とされると共に保持された状態の当該軸部の軸方向一方側に当該金属部材を押圧可能な保持部と、熱可塑性樹脂部材を当該熱可塑性樹脂部材における前記軸方向一方側の面から支持可能な支持部と、前記金属部材の一部を構成しかつ前記軸部の前記軸方向一方側に設けられた先端部における当該軸方向一方側の表面を前記熱可塑性樹脂部材を構成する熱可塑性樹脂が溶融可能な温度まで加熱可能な加熱部と、前記保持部の外周側に設けられて前記軸方向から見て前記先端部と重なった状態で配置されると共に当該保持部に対して当該軸方向に相対移動可能とされた筒状のスリーブ部と、前記スリーブ部の外周側に設けられて前記軸方向から見て内周側に前記金属部材が納まる筒状とされると共に前記スリーブ部に対して当該軸方向に相対移動可能とされて前記軸方向一方側の端部が前記熱可塑性樹脂部材の当該軸方向他方側の面に当接可能とされた外筒部と、を有している。 The joining device according to the present invention according to claim 1 has a holding portion capable of holding the shaft portion of the metal member and pressing the metal member on one side in the axial direction of the shaft portion in a held state. , A support portion capable of supporting the thermoplastic resin member from one side surface in the axial direction of the thermoplastic resin member, and a part of the metal member and provided on one side of the shaft portion in the axial direction. A heating portion that can heat the surface of the tip portion on one side in the axial direction to a temperature at which the thermoplastic resin constituting the thermoplastic resin member can be melted, and a heating portion provided on the outer peripheral side of the holding portion and viewed from the axial direction. A tubular sleeve portion that is arranged so as to overlap the tip portion and is movable relative to the holding portion in the axial direction, and a tubular sleeve portion that is provided on the outer peripheral side of the sleeve portion and is provided from the axial direction. As seen, it has a tubular shape in which the metal member is accommodated on the inner peripheral side, and is movable relative to the sleeve portion in the axial direction, and the end portion on one side in the axial direction is the shaft of the thermoplastic resin member. It has an outer cylinder portion that can be brought into contact with the surface on the other side in the direction.

請求項１に記載の本発明によれば、保持部で金属部材の軸部を保持可能とされていると共に、当該保持部は、当該保持部で保持された状態の当該軸部の軸方向一方側に当該金属部材を押圧可能とされている。また、本発明では、支持部によって、熱可塑性樹脂部材を当該熱可塑性樹脂部材における上記軸方向一方側の面から支持することができる。 According to the first aspect of the present invention, the holding portion can hold the shaft portion of the metal member, and the holding portion is held by the holding portion in the axial direction of the shaft portion. The metal member can be pressed to the side. Further, in the present invention, the thermoplastic resin member can be supported from one surface of the thermoplastic resin member in the axial direction by the support portion.

さらに、本発明は、加熱部を備えており、当該加熱部によって、金属部材の一部を構成しかつ軸部の上記軸方向一方側に設けられた先端部における当該軸方向一方側の表面を熱可塑性樹脂部材を構成する熱可塑性樹脂が溶融可能な温度まで加熱することができる。 Further, the present invention includes a heating portion, and the heating portion forms a part of the metal member, and the surface of the tip portion provided on one side of the shaft portion in the axial direction is surfaced on one side in the axial direction. The thermoplastic resin constituting the thermoplastic resin member can be heated to a temperature at which it can be melted.

このため、本発明では、熱可塑性樹脂部材における金属部材との接触部が溶融された状態で金属部材を熱可塑性樹脂部材側に押圧し、当該金属部材の先端部が熱可塑性樹脂部材に埋め込まれた状態で当該金属部材を当該熱可塑性樹脂部材に接合させることができる。 Therefore, in the present invention, the metal member is pressed toward the thermoplastic resin member in a state where the contact portion of the thermoplastic resin member with the metal member is melted, and the tip portion of the metal member is embedded in the thermoplastic resin member. In this state, the metal member can be joined to the thermoplastic resin member.

ところで、熱可塑性樹脂部材における金属部材との接触部が溶融された状態で当該金属部材の先端部が熱可塑性樹脂部材に埋め込まれると、当該熱可塑性樹脂部材における当該先端部の周辺部に不規則な形状の凹凸部が発生することが考えられる。 By the way, when the tip portion of the metal member is embedded in the thermoplastic resin member in a state where the contact portion of the thermoplastic resin member with the metal member is melted, the peripheral portion of the tip portion of the thermoplastic resin member is irregular. It is conceivable that uneven portions having a different shape may occur.

ここで、本発明では、保持部の外周側に設けられた筒状のスリーブ部と、当該スリーブ部の外周側に設けられた外筒部とを備えている。そして、外筒部は、上記軸方向から見て内周側に金属部材が納まる筒状とされると共に、スリーブ部に対して当該軸方向に相対移動可能とされて当該軸方向一方側の端部が熱可塑性樹脂部材の当該軸方向他方側の面に当接可能とされている。 Here, in the present invention, a tubular sleeve portion provided on the outer peripheral side of the holding portion and an outer tubular portion provided on the outer peripheral side of the sleeve portion are provided. The outer cylinder portion has a cylindrical shape in which the metal member is accommodated on the inner peripheral side when viewed from the axial direction, and is movable relative to the sleeve portion in the axial direction so that the end on one side in the axial direction is movable. The portion can be brought into contact with the surface of the thermoplastic resin member on the other side in the axial direction.

このため、金属部材の先端部が熱可塑性樹脂部材に埋め込まれるときに、外筒部の上記軸方向一方側の端部を熱可塑性樹脂部材の当該軸方向他方側の面に当接された状態とすることができる。その結果、溶融した熱可塑性樹脂が金属部材から離れる方向に流動しようとしても、当該熱可塑性樹脂は、外筒部の内周側でせき止められる。 Therefore, when the tip portion of the metal member is embedded in the thermoplastic resin member, the end portion of the outer cylinder portion on one side in the axial direction is in contact with the surface on the other side in the axial direction of the thermoplastic resin member. Can be. As a result, even if the molten thermoplastic resin tries to flow away from the metal member, the thermoplastic resin is dammed on the inner peripheral side of the outer cylinder portion.

一方、スリーブ部は、上記軸方向から見て金属部材の先端部と重なった状態で配置されると共に、保持部に対して当該軸方向に相対移動可能とされている。このため、溶融した熱可塑性樹が外筒部でせき止められている状態において、スリーブ部を保持部に対して上記軸方向一方側に相対移動させると、当該スリーブ部が当該熱可塑性樹脂に接触することとなる。その結果、本発明では、金属部材の先端部の上記軸方向他方側において、溶融状態の熱可塑性樹脂を外筒部及びスリーブ部で成形することができる。 On the other hand, the sleeve portion is arranged so as to overlap the tip portion of the metal member when viewed from the axial direction, and is movable relative to the holding portion in the axial direction. Therefore, when the molten thermoplastic tree is dammed by the outer cylinder portion and the sleeve portion is relatively moved to one side in the axial direction with respect to the holding portion, the sleeve portion comes into contact with the thermoplastic resin. It will be. As a result, in the present invention, the thermoplastic resin in the molten state can be formed by the outer cylinder portion and the sleeve portion on the other side in the axial direction of the tip portion of the metal member.

請求項２に記載の本発明に係る接合装置は、請求項１に記載の発明において、前記金属部材及び前記保持部の少なくとも一方に設けられると共に当該金属部材と当該保持部との前記軸方向回りの相対回転を規制する規制部をさらに備えると共に、前記加熱部は、前記先端部の前記軸方向一方側の面が前記熱可塑性樹脂部材に当接された状態で前記保持部を前記軸方向回りに回転又は揺動させて当該面と当該熱可塑性樹脂部材との摩擦によって当該面を加熱可能な駆動部とされている。 Joining apparatus according to the present invention described in claim 2 is the invention according to claim 1, wherein the axial direction around said metal member and the metal member and the holding portion together is provided on at least one of said holding portion Further, the heating portion is provided with a restricting portion for restricting the relative rotation of the metal, and the heating portion rotates the holding portion in the axial direction in a state where one surface of the tip portion in the axial direction is in contact with the thermoplastic resin member. The surface can be heated by friction between the surface and the thermoplastic resin member by rotating or swinging the surface.

請求項２に記載の本発明によれば、規制部によって金属部材と保持部との上記軸方向回りの回転が規制される。これにより、保持部が駆動部によって上記軸方向回りに回転又は揺動されると、金属部材も当該保持部と共に当該軸方向回りに回転又は揺動される。そして、金属部材の先端部の上記軸方向一方側の面が熱可塑性樹脂部材に当接された状態で、金属部材が当該軸方向回りに回転又は揺動されると、当該面と熱可塑性樹脂部材との摩擦によって、当該面が熱可塑性樹脂部材を構成する熱可塑性樹脂が溶融可能な温度まで加熱される。その結果、本発明では、熱可塑性樹脂部材における金属部材との接触部が溶融されると共に、溶融された熱可塑性樹脂が、金属部材の先端部における上記軸方向一方側の面の微細な凹凸部に入り込みつつ金属部材の先端部が熱可塑性樹脂部材に埋め込まれていく。 According to the second aspect of the present invention, the rotation of the metal member and the holding portion in the axial direction is restricted by the regulating portion. As a result, when the holding portion is rotated or swung in the axial direction by the driving portion, the metal member is also rotated or swung in the axial direction together with the holding portion. Then, when the metal member is rotated or swung in the axial direction while the surface of the tip of the metal member on one side in the axial direction is in contact with the thermoplastic resin member, the surface and the thermoplastic resin are formed. The friction with the member heats the surface to a temperature at which the thermoplastic resin constituting the thermoplastic resin member can be melted. As a result, in the present invention, the contact portion of the thermoplastic resin member with the metal member is melted, and the melted thermoplastic resin is formed on the fine uneven portion of the one side surface in the axial direction of the tip portion of the metal member. The tip of the metal member is embedded in the thermoplastic resin member while entering.

請求項３に記載の本発明に係る接合装置は、請求項２に記載の発明において、前記金属部材は、前記軸部の前記軸方向一方側でかつ前記先端部の当該軸方向他方側に設けられると共に前記スリーブ部で保持可能な被保持部をさらに備え、前記被保持部には、前記軸方向に沿う被保持部側平面部が設けられ、前記スリーブ部には、前記被保持部側平面部に当接されて当該スリーブ部と前記金属部材との前記軸方向回りの相対回転を規制可能なスリーブ側平面部が設けられると共に、前記スリーブ部は、前記軸方向回りに回転可能とされている。 In the joining device according to the present invention according to claim 3, in the invention according to claim 2, the metal member is provided on one side of the shaft portion in the axial direction and on the other side of the tip portion in the axial direction. Further, the held portion is further provided with a held portion that can be held by the sleeve portion, the held portion is provided with a held portion side plane portion along the axial direction, and the sleeve portion is provided with the held portion side plane. A sleeve-side flat surface portion that is abutted against the portion and can regulate the relative rotation of the sleeve portion and the metal member in the axial direction is provided, and the sleeve portion is made rotatable in the axial direction. There is.

請求項３に記載の本発明によれば、金属部材がスリーブ部で保持可能な被保持部を備えている。この被保持部は、軸部の上記軸方向一方側でかつ先端部の当該軸方向他方側に設けられており、当該被保持部には、上記軸方向に沿う被保持部側平面部が設けられている。一方、スリーブ部には、被保持部側平面部に当接されて当該スリーブ部と金属部材との上記軸方向回りの相対回転を規制可能なスリーブ側平面部が設けられていると共に、当該スリーブ部は、当該軸方向回りに回転可能とされている。このため、本発明では、保持部、金属部材及びスリーブ部を同期させて上記軸方向回りに回転させることができると共に、保持部が当該軸方向回りに回転するときに当該保持部と当該スリーブ部との間に摩擦が発生することを抑制することができる。 According to the third aspect of the present invention, the metal member is provided with a held portion that can be held by the sleeve portion. The held portion is provided on one side of the shaft portion in the axial direction and on the other side of the tip portion in the axial direction, and the held portion is provided with a flat portion on the held portion side along the axial direction. Has been done. On the other hand, the sleeve portion is provided with a sleeve-side flat surface portion that is in contact with the held portion-side flat surface portion and can regulate the relative rotation of the sleeve portion and the metal member in the axial direction, and the sleeve portion. The portion is rotatable around the axial direction. Therefore, in the present invention, the holding portion, the metal member, and the sleeve portion can be rotated in the axial direction in synchronization with each other, and when the holding portion rotates in the axial direction, the holding portion and the sleeve portion can be rotated. It is possible to suppress the occurrence of friction between the two.

以上説明したように、請求項１に記載の本発明に係る接合装置は、金属部材と熱可塑性樹脂部材とを強固に接合しつつ、熱可塑性樹脂部材の金属部材との接合部において、金属部材の周辺部に不規則な形状の凹凸部が発生することを抑制することができるという優れた効果を有する。 As described above, the joining device according to the present invention according to claim 1 firmly joins the metal member and the thermoplastic resin member, and at the joint portion of the thermoplastic resin member with the metal member, the metal member. It has an excellent effect that it is possible to suppress the occurrence of irregularly shaped uneven portions in the peripheral portion of the.

請求項２に記載の本発明に係る接合装置は、アンカー効果によって金属部材と熱可塑性樹脂部材とをより強固に接合することができるという優れた効果を有する。 The joining device according to the present invention according to claim 2 has an excellent effect that the metal member and the thermoplastic resin member can be joined more firmly by the anchor effect.

請求項３に記載の本発明に係る接合装置は、金属部材と熱可塑性樹脂部材との接合時において、金属部材を安定した状態で回転させることができると共に、保持部及びスリーブ部の磨耗を抑制することができるという優れた効果を有する。 The joining device according to the third aspect of the present invention can rotate the metal member in a stable state at the time of joining the metal member and the thermoplastic resin member, and suppresses wear of the holding portion and the sleeve portion. Has the excellent effect of being able to.

本実施形態に係る接合装置の作動時における接合装置の要部、金属部材及び熱可塑性樹脂部材の状態を模式的に示す部分断面図である。It is a partial cross-sectional view schematically showing the state of the main part, the metal member and the thermoplastic resin member of the joining device at the time of operation of the joining device which concerns on this embodiment. 本実施形態に係る接合装置で熱可塑性樹脂部材に接合される金属部材の構成を示しており、（Ａ）は金属部材の側面図であり、（Ｂ）は金属部材の平面図である。The configuration of the metal member to be joined to the thermoplastic resin member in the joining device according to the present embodiment is shown, (A) is a side view of the metal member, and (B) is a plan view of the metal member. 本実施形態に係る接合装置による金属部材と熱可塑性樹脂部材との接合工程を示しており、接合工程の初期から順を追って、（Ａ）、（Ｂ）、（Ｃ）、（Ｄ）として示した金属部材の軸方向と直交する方向から見た部分断面図である。The joining process between the metal member and the thermoplastic resin member by the joining device according to the present embodiment is shown, and is shown as (A), (B), (C), (D) in order from the initial stage of the joining process. It is a partial cross-sectional view seen from the direction orthogonal to the axial direction of the metal member.

以下、図１〜図３を用いて、本発明に係る接合装置の実施形態の一例について説明する。 Hereinafter, an example of an embodiment of the joining device according to the present invention will be described with reference to FIGS. 1 to 3.

まず、図１及び図２を用いて本実施形態に係る「接合装置１０」で接合される「熱可塑性樹脂部材１２（以下、樹脂部材１２と称する）」及び「金属部材１４」の構成について説明する。 First, the configurations of the "thermoplastic resin member 12 (hereinafter referred to as the resin member 12)" and the "metal member 14" to be joined by the "joining device 10" according to the present embodiment will be described with reference to FIGS. 1 and 2. do.

樹脂部材１２は、車体の一部、例えば、車体フロアのスペアタイヤハウス等を構成する板状の部材であり、熱可塑性樹脂、一例として、炭素繊維強化熱可塑性樹脂（Ｃａｒｂｏｎ Ｆｉｂｅｒ Ｒｅｉｎｆｏｒｃｅｄ Ｔｈｅｒｍｏ Ｐｌａｓｔｉｃｓ）で形成されている。なお、樹脂部材１２は、上記に限らず、その他の種類の熱可塑性樹脂で構成された車体構成部材等であってもよい。 The resin member 12 is a plate-shaped member constituting a part of the vehicle body, for example, a spare tire house on the vehicle body floor, and is made of a thermoplastic resin, for example, carbon fiber reinforced thermoplastics. It is formed. The resin member 12 is not limited to the above, and may be a vehicle body constituent member or the like made of another type of thermoplastic resin.

一方、金属部材１４は、一例として、鉄等の金属で構成されていると共に、「軸部１４Ａ」、規制部としての「突起部１４Ｂ」、「被保持部１４Ｃ」及び「先端部１４Ｄ」を備えたスタッドボルトとされている。 On the other hand, as an example, the metal member 14 is made of a metal such as iron, and has a "shaft portion 14A", a "projection portion 14B" as a regulating portion, a "held portion 14C", and a "tip portion 14D". It is said to be a equipped stud bolt.

詳しくは、図２（Ａ）及び図２（Ｂ）に示されるように、軸部１４Ａは、円柱状とされていると共に、その外周面に図示しない雄ねじ部が設けられている。そして、軸部１４Ａにおける当該軸部１４Ａの長手方向一方側には、被保持部１４Ｃが設けられている。なお、図１〜図３では、軸部１４Ａの軸方向一方側を矢印Ａ１で示しており、軸部１４Ａの軸方向他方側を矢印Ａ２で示している。また、以下では、特に断りのない限り、軸部１４Ａの軸方向一方側を単に軸方向一方側と称し、軸部１４Ａの軸方向他方側を単に軸方向他方側と称することとする。 Specifically, as shown in FIGS. 2A and 2B, the shaft portion 14A has a columnar shape, and a male screw portion (not shown) is provided on the outer peripheral surface thereof. A held portion 14C is provided on one side of the shaft portion 14A in the longitudinal direction of the shaft portion 14A. In FIGS. 1 to 3, one side of the shaft portion 14A in the axial direction is indicated by an arrow A1, and the other side of the shaft portion 14A in the axial direction is indicated by an arrow A2. Further, in the following, unless otherwise specified, one side in the axial direction of the shaft portion 14A is simply referred to as one side in the axial direction, and the other side in the axial direction of the shaft portion 14A is simply referred to as the other side in the axial direction.

被保持部１４Ｃは、基本的には、その軸方向を軸部１４Ａの軸方向とされると共に、その外径Ｄ１が軸部１４Ａの外径Ｄ２の２倍程度の寸法に設定された円柱状とされており、その外周面には、被保持部側平面部としての一対の「平面部１４Ｃ１」が設けられている。これらの平面部１４Ｃ１は、それぞれ軸部１４Ａの軸方向に沿ってかつ互いに平行となるように形成されている。そして、被保持部１４Ｃの軸方向一方側には、先端部１４Ｄが設けられている。 The held portion 14C is basically a columnar shape whose axial direction is set to the axial direction of the shaft portion 14A and whose outer diameter D1 is set to a size of about twice the outer diameter D2 of the shaft portion 14A. On the outer peripheral surface thereof, a pair of "flat surface portions 14C1" as a flat surface portion on the side of the held portion is provided. These plane portions 14C1 are formed so as to be along the axial direction of the shaft portion 14A and parallel to each other. A tip portion 14D is provided on one side of the held portion 14C in the axial direction.

先端部１４Ｄは、軸部１４Ａの周方向から見た断面形状が当該周方向において一定とされた形状とされており、一例として、軸方向一方側から軸方向他方側に向かうに従って拡径された円錐台状とされている。なお、先端部１４Ｄにおいて最も拡径されている部分の外径Ｄ３は、外径Ｄ１の１．２倍〜１．５倍程度の寸法に設定されている。 The tip portion 14D has a shape in which the cross-sectional shape of the shaft portion 14A seen from the circumferential direction is constant in the circumferential direction, and as an example, the diameter is increased from one side in the axial direction toward the other side in the axial direction. It has a truncated cone shape. The outer diameter D3 of the most expanded portion of the tip portion 14D is set to a dimension of about 1.2 times to 1.5 times the outer diameter D1.

突起部１４Ｂは、軸部１４Ａ及び被保持部１４Ｃと一体に設けられており、被保持部１４Ｃの軸方向他方側の平面部１４Ｃ２からは軸方向他方側に、軸部１４Ａの外周面からは軸部１４Ａの径方向外側に突出された略四角柱状とされている。また、突起部１４Ｂは、軸部１４Ａの周方向に９０[°]間隔で４つ配置されている。 The protrusion 14B is provided integrally with the shaft portion 14A and the held portion 14C, and is provided on the other side in the axial direction from the flat surface portion 14C2 on the other side in the axial direction of the held portion 14C, and from the outer peripheral surface of the shaft portion 14A. It is a substantially square columnar projecting outward in the radial direction of the shaft portion 14A. Further, four protrusions 14B are arranged at intervals of 90 [°] in the circumferential direction of the shaft portion 14A.

次に、主に図１を用いて、接合装置１０の構成について説明する。接合装置１０は、「保持部１８」、「スリーブ部２０」、「外筒部２２」、「支持部２４」及び加熱部としての「駆動部２６」を備えている。 Next, the configuration of the joining device 10 will be described mainly with reference to FIG. The joining device 10 includes a "holding portion 18", a "sleeve portion 20", an "outer cylinder portion 22", a "support portion 24", and a "driving portion 26" as a heating portion.

保持部１８は、全体では円筒状とされており、その先端部側（その軸方向一方側）の部分で金属部材１４の軸部１４Ａを保持可能とされている。詳しくは、保持部１８は、その内周面が金属部材１４の軸部１４Ａの外周面と当接された状態でかつその軸方向と軸部１４Ａの軸方向とが一致した状態で、その内側に軸部１４Ａを収めることが可能とされている。なお、保持部１８の外径Ｄ４は、軸部１４Ａに設けられた一対の平面部１４Ｃ１間の間隔Ｓと同じ寸法に設定されている。 The holding portion 18 has a cylindrical shape as a whole, and the shaft portion 14A of the metal member 14 can be held by a portion on the tip end side (one side in the axial direction thereof). Specifically, the holding portion 18 is inside the holding portion 18 in a state where the inner peripheral surface thereof is in contact with the outer peripheral surface of the shaft portion 14A of the metal member 14 and the axial direction thereof and the axial direction of the shaft portion 14A coincide with each other. It is possible to accommodate the shaft portion 14A in the shaft portion 14A. The outer diameter D4 of the holding portion 18 is set to the same dimension as the distance S between the pair of flat surface portions 14C1 provided on the shaft portion 14A.

また、保持部１８は、その先端部１８Ａ側の部分にその軸方向に沿う４本のスリット部２８が設けられることで、４本の規制部としての「係止部１８Ｂ」が設けられている。これらの係止部１８Ｂは、保持部１８の周方向に９０[°]間隔で配置されていると共に、それぞれの保持部１８の軸方向から見た断面形状は、略扇形状とされている。また、それぞれの係止部１８Ｂは、軸部１４Ａの周方向に隣接された突起部１４Ｂ間に嵌合可能とされている。なお、係止部１８Ｂにおける保持部１８の軸方向の寸法は、軸部１４Ａにおけるその軸方向の寸法よりも長い寸法に設定されている。そして、上記のように構成された係止部１８Ｂは、保持部１８が金属部材１４の軸部１４Ａを保持している状態において、軸部１４Ａの周方向に隣接された突起部１４Ｂ間に嵌合されるようになっている。 Further, the holding portion 18 is provided with four slit portions 28 along the axial direction in a portion on the tip end portion 18A side thereof, so that "locking portions 18B" as four restricting portions are provided. .. These locking portions 18B are arranged at intervals of 90 [°] in the circumferential direction of the holding portions 18, and the cross-sectional shape of each holding portion 18 seen from the axial direction is substantially a fan shape. Further, each of the locking portions 18B can be fitted between the protrusions 14B adjacent to each other in the circumferential direction of the shaft portion 14A. The axial dimension of the holding portion 18 in the locking portion 18B is set to be longer than the axial dimension of the shaft portion 14A. The locking portion 18B configured as described above is fitted between the protrusions 14B adjacent to the shaft portion 14A in the circumferential direction in a state where the holding portion 18 holds the shaft portion 14A of the metal member 14. It is designed to be combined.

スリーブ部２０は、その内側に保持部１８及び金属部材１４の被保持部１４Ｃを収めることが可能な円筒状とされており、保持部１８の外周側に設けられている。また、スリーブ部２０の軸方向から見たスリーブ部２０の内周面の周縁部の形状は、被保持部１４Ｃにおける軸部１４Ａの軸方向から見た断面の周縁部の形状と同一の形状とされており、被保持部１４Ｃはスリーブ部２０に嵌合された状態で保持可能とされている。そして、スリーブ部２０の内周面には、スリーブ部側平面部としての一対の「平面部２０Ａ」が設けられている。 The sleeve portion 20 has a cylindrical shape capable of accommodating the holding portion 18 and the held portion 14C of the metal member 14 inside the sleeve portion 20, and is provided on the outer peripheral side of the holding portion 18. Further, the shape of the peripheral edge portion of the inner peripheral surface of the sleeve portion 20 seen from the axial direction of the sleeve portion 20 is the same as the shape of the peripheral edge portion of the cross section of the held portion 14C seen from the axial direction of the shaft portion 14A. The held portion 14C can be held in a state of being fitted to the sleeve portion 20. A pair of "flat surface portions 20A" as a flat surface portion on the sleeve portion side are provided on the inner peripheral surface of the sleeve portion 20.

これらの平面部２０Ａは、それぞれスリーブ部２０の軸方向に沿ってかつ互いに平行となるように形成されていると共に、金属部材１４の平面部１４Ｃ１と当接可能とされている。そして、金属部材１４は、その平面部１４Ｃ１とスリーブ部２０の平面部２０Ａとが当接されている状態において、スリーブ部２０との軸部１４Ａの軸方向回りの相対回転が規制されるようになっている。また、スリーブ部２０は、保持部１８単体に対しては、その軸方向の相対移動及びその軸方向回りの相対回転が許容されている。 Each of these flat surface portions 20A is formed so as to be parallel to each other along the axial direction of the sleeve portion 20, and can be brought into contact with the flat surface portion 14C1 of the metal member 14. Then, in a state where the flat surface portion 14C1 of the metal member 14 and the flat surface portion 20A of the sleeve portion 20 are in contact with each other, the relative rotation of the shaft portion 14A with the sleeve portion 20 in the axial direction is restricted. It has become. Further, the sleeve portion 20 is allowed to move relative to the holding portion 18 alone in the axial direction and to rotate in the axial direction thereof.

さらに、スリーブ部２０で金属部材１４が保持されている状態において、軸部１４Ａの軸方向から見て金属部材１４の先端部１４Ｄとスリーブ部２０とは、重なった状態となっている。つまり、スリーブ部２０の軸方向一方側（保持部１８の先端部１８Ａ側）の端部は、金属部材１４の先端部１４Ｄに当接可能とされている。そして、スリーブ部２０は、図示しないスリーブ部側押圧部によって、その軸方向一方側（保持部１８の先端部１８Ａ側）に押圧されるようになっている。 Further, in a state where the metal member 14 is held by the sleeve portion 20, the tip portion 14D of the metal member 14 and the sleeve portion 20 are in an overlapping state when viewed from the axial direction of the shaft portion 14A. That is, the end portion of the sleeve portion 20 on one side in the axial direction (the tip portion 18A side of the holding portion 18) can be brought into contact with the tip portion 14D of the metal member 14. The sleeve portion 20 is pressed to one side in the axial direction (the tip end portion 18A side of the holding portion 18) by a sleeve portion side pressing portion (not shown).

一方で、保持部１８及びスリーブ部２０で金属部材１４が保持されている状態においては、スリーブ部２０は、保持部１８に対するその軸方向回りの相対回転が規制された状態で当該軸方向回りに回転可能とされている。なお、スリーブ部２０の外径Ｄ５は、保持部１８の外径Ｄ４の１．２倍〜１．５倍程度の寸法に設定されている。 On the other hand, in a state where the metal member 14 is held by the holding portion 18 and the sleeve portion 20, the sleeve portion 20 rotates in the axial direction with respect to the relative rotation of the sleeve portion 18 in the axial direction. It is said to be rotatable. The outer diameter D5 of the sleeve portion 20 is set to a dimension of about 1.2 to 1.5 times the outer diameter D4 of the holding portion 18.

外筒部２２は、その内側にスリーブ部２０を収めることが可能な円筒状とされており、スリーブ部２０の外周側に設けられている。この外筒部２２は、スリーブ部２０に対してその軸方向に相対移動可能とされていると共に、図示しない外筒部側押圧部によって、その軸方向一方側（保持部１８の先端部１８Ａ側）に押圧されるようになっている。 The outer cylinder portion 22 has a cylindrical shape in which the sleeve portion 20 can be accommodated, and is provided on the outer peripheral side of the sleeve portion 20. The outer cylinder portion 22 is movable relative to the sleeve portion 20 in the axial direction, and is on one side in the axial direction (the tip portion 18A side of the holding portion 18) by the outer cylinder portion side pressing portion (not shown). ) Is pressed.

支持部２４は、金属製のブロック状とされており、その支持面部２４Ａに配置されて外筒部２２で押圧された樹脂部材１２を支持可能とされている。詳しくは、保持部１８で金属部材１４が保持されている状態において、外筒部側押圧部で押圧された外筒部２２の軸方向一方側の端部は、樹脂部材１２の軸方向他方側の面に当接されて当該面を押圧するようになっている。そして、この状態において、樹脂部材１２は、その軸方向一方側の面を支持部２４に支持された状態となっている。 The support portion 24 has a metal block shape, and is capable of supporting the resin member 12 arranged on the support surface portion 24A and pressed by the outer cylinder portion 22. Specifically, in a state where the metal member 14 is held by the holding portion 18, the end portion on one side in the axial direction of the outer cylinder portion 22 pressed by the pressing portion on the outer cylinder portion side is the other side in the axial direction of the resin member 12. It is designed to be in contact with the surface of the surface and press the surface. In this state, the resin member 12 is in a state in which one surface in the axial direction thereof is supported by the support portion 24.

駆動部２６は、図示しないモータ等を備えると共に、保持部１８の図示しない基端部側に連結されており、保持部１８をその軸方向回りに回転又は揺動させることが可能となっている。また、駆動部２６における保持部１８と反対側には、図示しない保持部側押圧部が配置されており、保持部側押圧部によって保持部１８は、その軸方向一方側（保持部１８の先端部１８Ａ側）に押圧されるようになっている。これにより、金属部材１４が保持部１８で保持されると共に樹脂部材１２が支持部２４で支持された状態において保持部側押圧部が作動することで、先端部１４Ｄの軸方向一方側の面を樹脂部材１２に押し付けることができる。そして、この状態において駆動部２６が駆動されることで、先端部１４Ｄの軸方向一方側の面が、樹脂部材１２との摩擦で樹脂部材１２を構成する熱可塑性樹脂が溶融可能な温度まで加熱されるようになっている。 The drive unit 26 includes a motor or the like (not shown) and is connected to the base end portion side of the holding unit 18 (not shown) so that the holding unit 18 can be rotated or swung in the axial direction thereof. .. Further, a holding portion side pressing portion (not shown) is arranged on the opposite side of the driving portion 26 to the holding portion 18, and the holding portion 18 is placed on one side in the axial direction (the tip of the holding portion 18) by the holding portion side pressing portion. It is pressed against the portion 18A side). As a result, the holding portion side pressing portion operates in a state where the metal member 14 is held by the holding portion 18 and the resin member 12 is supported by the supporting portion 24, so that one surface of the tip portion 14D in the axial direction is pressed. It can be pressed against the resin member 12. Then, by driving the drive unit 26 in this state, one surface of the tip portion 14D in the axial direction is heated to a temperature at which the thermoplastic resin constituting the resin member 12 can be melted by friction with the resin member 12. It is supposed to be done.

（本実施形態の作用及び効果）
次に、本実施形態の作用及び効果を説明する。 (Action and effect of this embodiment)
Next, the operation and effect of this embodiment will be described.

本実施形態では、金属部材１４が、図３（Ａ）〜図３（Ｄ）に示される接合工程を経て樹脂部材１２に接合されるようになっている。具体的には、まず、図３（Ａ）に示される第１の工程では、保持部１８及びスリーブ部２０で金属部材１４が保持される。また、先端部１４Ｄの軸方向一方側の面が樹脂部材１２に当接された状態において、外筒部２２が外筒部側押圧部で押圧されると共に、外筒部２２で押圧された樹脂部材１２が支持部２４で支持される。 In the present embodiment, the metal member 14 is joined to the resin member 12 through the joining steps shown in FIGS. 3 (A) to 3 (D). Specifically, first, in the first step shown in FIG. 3A, the metal member 14 is held by the holding portion 18 and the sleeve portion 20. Further, in a state where one surface of the tip portion 14D in the axial direction is in contact with the resin member 12, the outer cylinder portion 22 is pressed by the outer cylinder portion side pressing portion and the resin pressed by the outer cylinder portion 22. The member 12 is supported by the support portion 24.

次に、図３（Ｂ）に示される第２の工程では、保持部側押圧部が駆動部２６を介して保持部１８を樹脂部材１２側に押圧している状態で保持部１８が軸部１４Ａの軸方向回りに回転又は揺動されて、樹脂部材１２における先端部１４Ｄと接触する部分が溶融すると共に、先端部１４Ｄが樹脂部材１２の内部に進入する。 Next, in the second step shown in FIG. 3B, the holding portion 18 presses the holding portion 18 toward the resin member 12 side via the driving portion 26, and the holding portion 18 presses the shaft portion. The portion of the resin member 12 that comes into contact with the tip portion 14D is melted by being rotated or swung around the axis of 14A, and the tip portion 14D enters the inside of the resin member 12.

次に、図３（Ｃ）に示される第３の工程では、外筒部２２でせき止められた溶融状態の熱可塑性樹脂が、スリーブ部２０で押圧されることで先端部１４Ｄの軸方向他方側において円板状に成形されて、樹脂部材１２に突起部１２Ａが形成される。 Next, in the third step shown in FIG. 3C, the molten thermoplastic resin dampened by the outer cylinder portion 22 is pressed by the sleeve portion 20 to press the tip portion 14D on the other side in the axial direction. In, the resin member 12 is formed into a disk shape, and the protrusion 12A is formed on the resin member 12.

最後に、図３（Ｄ）に示される第４の工程では、第３の工程で溶融された熱可塑性樹脂が凝固した状態で、金属部材１４及び樹脂部材１２から接合装置１０の各構成要素が取り外される。 Finally, in the fourth step shown in FIG. 3D, each component of the metal member 14 and the resin member 12 to the joining device 10 is formed in a state where the thermoplastic resin melted in the third step is solidified. Will be removed.

また、上記のように構成された接合装置１０では、図１に示されるように、保持部１８で金属部材１４の軸部１４Ａを保持可能とされていると共に、保持部１８は、軸部１４Ａの軸方向一方側に金属部材１４を押圧可能とされている。また、本実施形態では、支持部２４によって、樹脂部材１２を樹脂部材１２における軸方向一方側の面から支持することができる。 Further, in the joining device 10 configured as described above, as shown in FIG. 1, the holding portion 18 can hold the shaft portion 14A of the metal member 14, and the holding portion 18 has the shaft portion 14A. It is possible to press the metal member 14 on one side in the axial direction of the metal member 14. Further, in the present embodiment, the resin member 12 can be supported from one surface of the resin member 12 in the axial direction by the support portion 24.

さらに、本実施形態は、駆動部２６を備えており、駆動部２６によって、金属部材１４の先端部１４Ｄにおける軸方向一方側の表面を樹脂部材１２を構成する熱可塑性樹脂が溶融可能な温度まで加熱することができる。このため、本実施形態では、樹脂部材１２における金属部材１４との接触部が溶融された状態で金属部材１４を樹脂部材１２側に押圧し、金属部材１４の先端部１４Ｄが樹脂部材１２に埋め込まれた状態で金属部材１４を樹脂部材１２に接合させることができる。 Further, the present embodiment includes a drive unit 26, and the drive unit 26 provides a surface on one side of the tip portion 14D of the metal member 14 in the axial direction to a temperature at which the thermoplastic resin constituting the resin member 12 can be melted. Can be heated. Therefore, in the present embodiment, the metal member 14 is pressed toward the resin member 12 in a state where the contact portion of the resin member 12 with the metal member 14 is melted, and the tip portion 14D of the metal member 14 is embedded in the resin member 12. The metal member 14 can be joined to the resin member 12 in this state.

ところで、樹脂部材１２における金属部材１４との接触部が溶融された状態で金属部材１４の先端部１４Ｄが樹脂部材１２に埋め込まれると、樹脂部材１２における先端部１４Ｄの周辺部に不規則な形状の凹凸部が発生することが考えられる。 By the way, when the tip portion 14D of the metal member 14 is embedded in the resin member 12 in a state where the contact portion of the resin member 12 with the metal member 14 is melted, an irregular shape is formed around the tip portion 14D of the resin member 12. It is conceivable that uneven parts will be generated.

ここで、本実施形態では、保持部１８の外周側に設けられた筒状のスリーブ部２０と、スリーブ部２０の外周側に設けられた外筒部２２とを備えている。そして、外筒部２２は、軸部１４Ａの軸方向から見て内周側に金属部材１４が納まる筒状とされると共に、スリーブ部２０に対して当該軸方向に相対移動可能とされて軸方向一方側の端部が樹脂部材１２の軸方向他方側の面に当接可能とされている。 Here, in the present embodiment, a tubular sleeve portion 20 provided on the outer peripheral side of the holding portion 18 and an outer tubular portion 22 provided on the outer peripheral side of the sleeve portion 20 are provided. The outer cylinder portion 22 has a cylindrical shape in which the metal member 14 is accommodated on the inner peripheral side when viewed from the axial direction of the shaft portion 14A, and is movable relative to the sleeve portion 20 in the axial direction. The end portion on one side in the direction can be brought into contact with the surface on the other side in the axial direction of the resin member 12.

このため、金属部材１４の先端部１４Ｄが樹脂部材１２に埋め込まれるときに、外筒部２２の軸方向一方側の端部を樹脂部材１２の軸方向他方側の面に当接された状態とすることができる。その結果、溶融した熱可塑性樹脂が金属部材１４から離れる方向に流動しようとしても、当該熱可塑性樹脂は、外筒部２２の内周側でせき止められる。 Therefore, when the tip portion 14D of the metal member 14 is embedded in the resin member 12, the end portion on one side in the axial direction of the outer cylinder portion 22 is in contact with the surface on the other side in the axial direction of the resin member 12. can do. As a result, even if the molten thermoplastic resin tries to flow away from the metal member 14, the thermoplastic resin is dammed on the inner peripheral side of the outer cylinder portion 22.

一方、スリーブ部２０は、軸部１４Ａの軸方向から見て金属部材１４の先端部１４Ｄと重なった状態で配置されると共に、保持部１８に対して当該軸方向に相対移動可能とされている。このため、溶融した熱可塑性樹が外筒部２２でせき止められている状態において、スリーブ部２０を保持部１８に対して軸部１４Ａの軸方向一方側に相対移動させると、スリーブ部２０が当該熱可塑性樹脂に接触することとなる。その結果、本実施形態では、金属部材１４の先端部１４Ｄの軸方向他方側において、溶融状態の熱可塑性樹脂を外筒部２２及びスリーブ部２０で成形することができる。したがって、本実施形態では、金属部材１４と樹脂部材１２とを強固に接合しつつ、樹脂部材１２の金属部材１４との接合部において、金属部材１４の周辺部に不規則な形状の凹凸部が発生することを抑制することができる。しかも、樹脂部材１２に形成された突起部１２Ａによって、樹脂部材１２における金属部材１４との境界部分を補強することができる。 On the other hand, the sleeve portion 20 is arranged so as to overlap the tip portion 14D of the metal member 14 when viewed from the axial direction of the shaft portion 14A, and is movable relative to the holding portion 18 in the axial direction. .. Therefore, in a state where the molten thermoplastic tree is dammed by the outer cylinder portion 22, when the sleeve portion 20 is relatively moved to one side in the axial direction of the shaft portion 14A with respect to the holding portion 18, the sleeve portion 20 is said to be concerned. It will come into contact with the thermoplastic resin. As a result, in the present embodiment, the molten thermoplastic resin can be formed by the outer cylinder portion 22 and the sleeve portion 20 on the other side in the axial direction of the tip portion 14D of the metal member 14. Therefore, in the present embodiment, while firmly joining the metal member 14 and the resin member 12, at the joint portion of the resin member 12 with the metal member 14, an irregularly shaped uneven portion is formed around the metal member 14. It can be suppressed from occurring. Moreover, the protrusion 12A formed on the resin member 12 can reinforce the boundary portion of the resin member 12 with the metal member 14.

また、本実施形態では、金属部材１４に設けられた突起部１４Ｂ及び保持部１８に設けられた係止部１８Ｂによって金属部材１４と保持部１８との軸部１４Ａの軸方向回りの回転が規制される。これにより、保持部１８が駆動部２６によって軸部１４Ａの軸方向回りに回転又は揺動されると、金属部材１４も保持部１８と共に当該軸方向回りに回転又は揺動される。そして、金属部材１４の先端部１４Ｄの軸方向一方側の面が樹脂部材１２に当接された状態で、金属部材１４が軸部１４Ａの軸方向回りに回転又は揺動されると、当該面と樹脂部材１２との摩擦によって、当該面が樹脂部材１２を構成する熱可塑性樹脂が溶融可能な温度まで加熱される。その結果、本実施形態では、樹脂部材１２における金属部材１４との接触部が溶融されると共に、溶融された熱可塑性樹脂が、金属部材１４の先端部１４Ｄにおける軸方向一方側の面の微細な凹凸部に入り込みつつ金属部材１４の先端部１４Ｄが樹脂部材１２に埋め込まれていく。したがって、本実施形態では、アンカー効果によって金属部材１４と樹脂部材１２とをより強固に接合することができる Further, in the present embodiment, the protrusion 14B provided on the metal member 14 and the locking portion 18B provided on the holding portion 18 regulate the rotation of the shaft portion 14A between the metal member 14 and the holding portion 18 in the axial direction. Will be done. As a result, when the holding portion 18 is rotated or swung in the axial direction of the shaft portion 14A by the driving portion 26, the metal member 14 is also rotated or swung in the axial direction together with the holding portion 18. Then, when the metal member 14 is rotated or swung in the axial direction of the shaft portion 14A in a state where one surface of the tip portion 14D of the metal member 14 in the axial direction is in contact with the resin member 12, the surface is concerned. The friction between the resin member 12 and the resin member 12 heats the surface to a temperature at which the thermoplastic resin constituting the resin member 12 can be melted. As a result, in the present embodiment, the contact portion of the resin member 12 with the metal member 14 is melted, and the melted thermoplastic resin is finely divided on one side surface in the axial direction of the tip portion 14D of the metal member 14. The tip portion 14D of the metal member 14 is embedded in the resin member 12 while entering the uneven portion. Therefore, in the present embodiment, the metal member 14 and the resin member 12 can be more firmly joined by the anchor effect.

さらに、本実施形態では、金属部材１４がスリーブ部２０で保持可能な被保持部１４Ｃを備えている。この被保持部１４Ｃは、軸部１４Ａの軸方向一方側でかつ先端部１４Ｄの軸方向他方側に設けられており、被保持部１４Ｃには、軸部１４Ａの軸方向に沿う平面部１４Ｃ１が設けられている。一方、スリーブ部２０には、平面部１４Ｃ１に当接されてスリーブ部２０と金属部材１４との軸部１４Ａの軸方向回りの相対回転を規制可能な平面部２０Ａが設けられていると共に、スリーブ部２０は、当該軸方向回りに回転可能とされている。このため、本実施形態では、保持部１８、金属部材１４及びスリーブ部２０を同期させて軸部１４Ａの軸方向回りに回転させることができると共に、保持部１８が当該軸方向回りに回転するときに保持部１８とスリーブ部２０との間に摩擦が発生することを抑制することができる。 Further, in the present embodiment, the metal member 14 is provided with a held portion 14C that can be held by the sleeve portion 20. The held portion 14C is provided on one side in the axial direction of the shaft portion 14A and on the other side in the axial direction of the tip portion 14D, and the held portion 14C has a flat surface portion 14C1 along the axial direction of the shaft portion 14A. It is provided. On the other hand, the sleeve portion 20 is provided with a flat surface portion 20A that is in contact with the flat surface portion 14C1 and can regulate the relative rotation of the shaft portion 14A between the sleeve portion 20 and the metal member 14 in the axial direction. The portion 20 is rotatable around the axial direction. Therefore, in the present embodiment, the holding portion 18, the metal member 14, and the sleeve portion 20 can be synchronously rotated in the axial direction of the shaft portion 14A, and when the holding portion 18 rotates in the axial direction. It is possible to suppress the generation of friction between the holding portion 18 and the sleeve portion 20.

したがって、本実施形態では、金属部材１４と樹脂部材１２との接合時において、金属部材１４を安定した状態で回転させることができると共に、保持部１８及びスリーブ部２０の磨耗を抑制することができる。しかも、金属部材１４が樹脂部材１２に被保持部１４Ｃまで埋め込まれた状態において、平面部２０Ａは、軸部１４Ａに作用する軸部１４Ａの軸方向回りのトルクに対して、金属部材１４の回り止めとして機能する。このため、金属部材１４と樹脂部材１２とが接合された状態において、軸部１４Ａに軸部１４Ａの軸方向回りのトルクが作用しても、金属部材１４と樹脂部材１２との接合状態を維持することが容易となる。 Therefore, in the present embodiment, when the metal member 14 and the resin member 12 are joined, the metal member 14 can be rotated in a stable state, and wear of the holding portion 18 and the sleeve portion 20 can be suppressed. .. Moreover, in a state where the metal member 14 is embedded in the resin member 12 up to the held portion 14C, the flat surface portion 20A rotates around the metal member 14 with respect to the torque around the shaft portion 14A acting on the shaft portion 14A. Functions as a stop. Therefore, in a state where the metal member 14 and the resin member 12 are joined, even if a torque around the shaft portion 14A acts on the shaft portion 14A, the joined state between the metal member 14 and the resin member 12 is maintained. It becomes easy to do.

＜上記実施形態の補足説明＞
（１） 上述した実施形態では、加熱部として駆動部２６を用いたが、これに限らず、金属部材１４に電流を流して金属部材１４に発生するジュール熱によって樹脂部材１２を構成する熱可塑性樹脂を溶融可能なヒータを加熱部として用いてもよい。また、このような構成を用いる場合には、金属部材１４の先端部１４Ｄの形状を適宜変更してもよい。 <Supplementary explanation of the above embodiment>
(1) In the above-described embodiment, the drive unit 26 is used as the heating unit, but the present invention is not limited to this, and the thermoplasticity that constitutes the resin member 12 by the Joule heat generated in the metal member 14 by passing an electric current through the metal member 14. A heater capable of melting the resin may be used as a heating unit. Further, when such a configuration is used, the shape of the tip portion 14D of the metal member 14 may be appropriately changed.

（２） また、上述した実施形態では、金属部材１４に被保持部１４Ｃが設けられていたが、これに限らない。すなわち、金属部材１４に取り付けられる部材等に応じて、金属部材１４に被保持部１４Ｃを設けない構成としてもよい。また、金属部材１４に取り付けられる部材等に応じて、軸部１４Ａに雄ねじ部を設けない構成として、当該軸部１４Ａを部材の被嵌合部等に嵌合させるようにしてもよい。 (2) Further, in the above-described embodiment, the held portion 14C is provided on the metal member 14, but the present invention is not limited to this. That is, depending on the member or the like attached to the metal member 14, the metal member 14 may not be provided with the held portion 14C. Further, depending on the member or the like attached to the metal member 14, the shaft portion 14A may be configured so that the male screw portion is not provided on the shaft portion 14A, and the shaft portion 14A may be fitted to the fitted portion or the like of the member.

１０ 接合装置
１２ 熱可塑性樹脂部材
１４ 金属部材
１４Ａ 軸部
１４Ｂ 突起部（規制部）
１４Ｃ 被保持部
１４Ｃ１ 平面部（被保持部側平面部）
１４Ｄ 先端部
１８ 保持部
１８Ｂ 係止部（規制部）
２０ スリーブ部
２０Ａ 平面部（スリーブ部側平面部）
２２ 外筒部
２４ 支持部
２６ 駆動部（加熱部） 10 Joining device 12 Thermoplastic resin member 14 Metal member 14A Shaft part 14B Protrusion part (Regulatory part)
14C Held part 14C1 Flat surface part (Holding part side flat surface part)
14D tip 18 holding part 18B locking part (regulating part)
20 Sleeve part 20A Flat part (Sleeve part side flat part)
22 Outer cylinder part 24 Support part 26 Drive part (heating part)

Claims (3)

金属部材の軸部を保持可能とされると共に保持された状態の当該軸部の軸方向一方側に当該金属部材を押圧可能な保持部と、
熱可塑性樹脂部材を当該熱可塑性樹脂部材における前記軸方向一方側の面から支持可能な支持部と、
前記金属部材の一部を構成しかつ前記軸部の前記軸方向一方側に設けられた先端部における当該軸方向一方側の表面を前記熱可塑性樹脂部材を構成する熱可塑性樹脂が溶融可能な温度まで加熱可能な加熱部と、
前記保持部の外周側に設けられて前記軸方向から見て前記先端部と重なった状態で配置されると共に当該保持部に対して当該軸方向に相対移動可能とされた筒状のスリーブ部と、
前記スリーブ部の外周側に設けられて前記軸方向から見て内周側に前記金属部材が納まる筒状とされると共に前記スリーブ部に対して当該軸方向に相対移動可能とされて前記軸方向一方側の端部が前記熱可塑性樹脂部材の当該軸方向他方側の面に当接可能とされた外筒部と、
を有する接合装置。 A holding portion capable of holding the shaft portion of the metal member and pressing the metal member on one side in the axial direction of the shaft portion in a held state,
A support portion capable of supporting the thermoplastic resin member from one side surface in the axial direction of the thermoplastic resin member, and a support portion.
The temperature at which the thermoplastic resin constituting the thermoplastic resin member can be melted on the surface on one side in the axial direction of the tip portion provided on one side in the axial direction of the shaft portion which constitutes a part of the metal member. With a heating part that can heat up to
A cylindrical sleeve portion provided on the outer peripheral side of the holding portion, arranged so as to overlap the tip portion when viewed from the axial direction, and movable relative to the holding portion in the axial direction. ,
It is provided on the outer peripheral side of the sleeve portion and has a tubular shape in which the metal member is accommodated on the inner peripheral side when viewed from the axial direction, and is movable relative to the sleeve portion in the axial direction. An outer cylinder portion having an end portion on one side capable of contacting the surface on the other side in the axial direction of the thermoplastic resin member, and an outer cylinder portion.
Joining device with. 前記金属部材及び前記保持部の少なくとも一方に設けられると共に当該金属部材と当該保持部との前記軸方向回りの相対回転を規制する規制部をさらに備えると共に、
前記加熱部は、前記先端部の前記軸方向一方側の面が前記熱可塑性樹脂部材に当接された状態で前記保持部を前記軸方向回りに回転又は揺動させて当該面と当該熱可塑性樹脂部材との摩擦によって当該面を加熱可能な駆動部とされている、
請求項１に記載の接合装置。 Further provided with a regulating portion for regulating the relative rotation of the axial rotation of the metal member and the holding portion together is provided on at least one of said metal member and said holding portion,
The heating portion rotates or swings the holding portion in the axial direction in a state where one surface of the tip portion on one side in the axial direction is in contact with the thermoplastic resin member, and the surface and the thermoplastic portion are formed. The surface is a drive unit that can be heated by friction with the resin member.
The joining device according to claim 1. 前記金属部材は、前記軸部の前記軸方向一方側でかつ前記先端部の当該軸方向他方側に設けられると共に前記スリーブ部で保持可能な被保持部をさらに備え、
前記被保持部には、前記軸方向に沿う被保持部側平面部が設けられ、
前記スリーブ部には、前記被保持部側平面部に当接されて当該スリーブ部と前記金属部材との前記軸方向回りの相対回転を規制可能なスリーブ側平面部が設けられると共に、
前記スリーブ部は、前記軸方向回りに回転可能とされている、
請求項２に記載の接合装置。 The metal member is further provided with a held portion that is provided on one side of the shaft portion in the axial direction and on the other side of the tip portion in the axial direction and that can be held by the sleeve portion.
The held portion is provided with a plane portion on the side of the held portion along the axial direction.
The sleeve portion is provided with a sleeve-side flat surface portion that is in contact with the held portion-side flat surface portion and can regulate the relative rotation of the sleeve portion and the metal member in the axial direction.
The sleeve portion is rotatable about the axial direction.
The joining device according to claim 2.
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